Enhanced Automatic-Power-Decoupling Control Method for Single-Phase AC-to-DC Converters - 2017

PROJECT TITLE :

Enhanced Automatic-Power-Decoupling Control Method for Single-Phase AC-to-DC Converters - 2017

ABSTRACT:

Existing control schemes for single-part ac-to-dc converters with active power-decoupling function typically involve an infatuated power-decoupling controller. Because of the highly coupled and nonlinear nature of the one-phase system, the planning of the facility-decoupling controller (usually based mostly on the tiny-signal linear management techniques) is cumbersome, and therefore the control structure is complicated. Additionally, with the prevailing power-decoupling control, it's laborious to achieve happy dynamic responses and sturdy circuit operation. Following a recently proposed automatic-power-decoupling management scheme, this paper proposes a nonlinear management methodology which will achieve enhanced large-signal dynamic responses with strong disturbance rejection capability while not the requirement for a passionate power-decoupling controller. The proposed controller has a easy structure, of that the design is simple. The control method can be simply extended to alternative single-section ac-to-dc systems with active power-decoupling function. Simulation and experimental results validate the feasibility of the proposed management methodology on a two-switch buck-boost PFC rectifier prototype.

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